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Article
R. W. Summers, Auteur ; H. Boland, Auteur ; K. Colhoun, Auteur ; N. Elkins, Auteur ; B. Etheridge, Auteur ; S. Foster, Auteur ; J. W. Fox, Auteur ; K. Mackie, Auteur ; L. R. Quinn, Auteur ; R. L. Swann, AuteurBird migration is generally scheduled to avoid other energetically expensive events in the annual cycle (e. g. moult) and seasons when survival can be difficult (e. g. northern winters). Purple Sandpipers winter at relatively high latitudes comp[...]
Article
S. R. Wotton, Auteur ; I. Carter, Auteur ; A. V. Cross, Auteur ; B. Etheridge, Auteur ; N. Snell, Auteur ; K. Duffy, Auteur ; R. Thorpe, Auteur ; R. D. Gregory, AuteurCapsule The first co-ordinated Red Kite survey across Britain since the reintroduction programme began in 1989, yields 430 breeding pairs. Aims To estimate the current size and extent of the British breeding population. Methods A complete census[...]
Article
M. Hancock, Auteur ; D. Baines, Auteur ; D. Gibbons, Auteur ; B. Etheridge, Auteur ; M. Shepherd, AuteurA survey of the male Black Grouse Tetrao tetrix population in Britain was undertaken made in 1995 and 1996. The survey was based on counts of males displaying in the spring. In Wales and Staffordshire, the entire known population was surveyed. I[...]
Article
R. W. Summers, Auteur ; B. Etheridge, AuteurOne hundred Turnstones were ringed with both incolony and stainless steel rings on the Moray coast, Scotland, to measure the rates of wear of these rings. When new, the steel rings were larger and 2.6 times heavier than the incoloy rings. The ra[...]
